BoatsNeptun 24

Neptun 24

Masthead Sloop · Fin w/transom Hung Rudder · 1967–1973

A masthead sloop from the late sixties, featuring a fin keel and transom-hung rudder for coastal cruising

LOA
Beam
Draft (max)
Displacement
Ballast
Hull type
Fin w/transom Hung Rudder

Is it for you?

Character

Where this design lands on the numbers a shopper trusts — read straight from her own ratios.

TrailerableBeam 2.50 m — inside the 2.55 m no-permit tow width across most of Europe, and the 2.59 m US and Canadian limit. About 1,300 kg of hull, so roughly 1,900 kg on a trailer: check that against your own towing rating.Shoal draftDraws 1.00 m, board up where she has one — creeks, sandbars and thin anchorages most keels have to stay out of.
LivelySea-kindly

Her light displacement on a moderate beam gives 13 — a quick, lively motion that feels every wave.

Comfort ratio 13
CoastalBluewater

At 2.31 she sits above the 2.0 line — beamy for her weight, and happiest coastal.

Capsize screening 2.31
LightHeavy

168 — light for her waterline, so she is easily driven and quick to accelerate.

Displacement / length 168
EasygoingPowered-up

14.6 — modest power for her weight; easygoing rather than lively, and happier with a breeze.

Sail area / displacement 14.6
TenderStiff

31% of her weight is ballast — on the tender side; she'll heel readily and want a reef sooner.

Ballast 31%

Light and lively — happiest day-sailing and coastal-hopping in settled weather.

  • Lighter than ~80% of boats her size on file
  • Draws less than ~85% of boats her size on file

Compared with 1474 boats of the same type within a quarter of her length.

The record

Full specifications

The complete reference set — tap any figure to switch between metric and imperial.

Dimensions
Weights
Ballast / displacement
30.8%
Rig & sail area
Rig
Masthead Sloop
Ratios
SA / displacement
14.6
Displacement / length
167.6
Comfort ratio
12.7
Capsize screening
2.31
Hull speed
6.0 kn
Pounds / inch immersion
577
Hull
Hull type
Fin w/transom hung rudder
Construction
Fiberglass
Ballast type
Cast Iron
Production
Years built
1967–1973
Builder
Neptun Boote GmbH, Co. KG

Boats like this, on the water

Nobody has filmed this one — but these are close.

Comparable boats the fleet has on camera: same type, within a quarter of her length. Open the boat, or watch the video — a timestamp means she only appears in passing.

J Boats Tillotson Pearson J/247.32 mSame hull family0.2 m shorterThe world's most popular one-design keelboat, featuring a light 1406kg displacement for responsive, agile handling
Catalina Yachts 22 MKII7.26 mSame hull family0.2 m shorterAn upgraded 1995 iteration of the classic trailerable cruiser, featuring a fin keel and transom-hung rudder
Sirius 7277.27 mSame hull family0.2 m shorterA development of the Sirius 24, this fractional sloop features a fin keel with skeg-mounted rudder for balanced handling
J Boats Tillotson Pearson J/808.00 mSame hull family0.5 m longerA 1992 fractional sloop with a high 26.59 sail area-to-displacement ratio, engineered for rapid, agile performance
Halcyon 236.93 mSame hull family0.6 m shorterA triple-keeled masthead sloop by Alan H. Buchanan, offering shallow-draft versatility based on the earlier Crystal 23
Dehler Yachts 25CR7.50 mSame hull familyNear-identical lengthA Van de Stadt-designed fractional sloop with a high sail area-to-displacement ratio built for spirited performance

The family

Related models

The designs closest to hers — usually the rest of the builder's range, sometimes the same hull sold under another name.

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